广东省梅县盲和低视力流行病学调查

目的 调查梅县盲及低视力的流行病学情况。方法 采用分层随机抽样原因,以世界卫生组织盲目分级为标准,对全县按2.01%抽样比例抽取11327例进行盲和低视力的流行病学调查。结果 双眼盲及低视力患病率分别为0.47%（男性0.30%,女性0.63%）和0.89%（男性0.66%,女性1.12%）;双眼盲率：县城0.29%、附城郊区0.34%、山区0.56%。单眼盲、双眼低视力和单眼低视力的患病率分别为0.72%、0.89%和0.59%。≥50岁盲及低视力患者的患病率明显增高。结论 致盲和致低视力的眼病均以白内障居首位,其次为青光眼、屈光不正、弱视及翼状胬肉等。

An epidemiological survey of blindness and low vision in Meixian County

Objective To study the status of blindness and low vision in Meixian County. Methods The stratified random sampling rule and the standard grading system of blindness set by WHO were adopted in the study, and 11 327 subjects were enrolled (a sampling fraction of 2 01%) in the whole county. Results The prevalence of bilateral blindness and low vision was found to be 0 47% and 0 89%; that of monocular blindness and low vision was 0 72% and 0 59%, respectively. Subjects over 50 years old had a significantly higher prevalence of blindness and low vision. The causes leading to blindness and low vision were, in falling order, cataract, glaucoma, ametropia / amblyopia and pterygium. Conclusion The treatment of cataract is the main measure to decrease the prevalence of blindness and low vision.